from tkinter import *

print('Введите начальную координату X:')
x = int(input())
print('Введите гачадбную координату Y:')
y = int(input())
print('Введите коэффициент увеличения N:')
n = int(input())

coords=[0,0,10,0,10,10,20,10,20,30,10,30,10,20,0,20,0,0]

if n == 0 and x>=0 and x<=500 and y>=0 and y<=500:
    pass
else:
    if n>0 and 0*n+x>=0 and 0*n+y>=0 and 20*n+x<=500 and 20*n+y<=500:
        pass
    else:
        if n<0 and 20*n+x>=0 and 20*n+y>=0 and 0*n+x<=500 and 0*n+y<=500:
            pass
        else:
            print('Размеры фигуры превышает максимальный размер поля')
            exit()
root = Tk()
root.title('ИТ маарафон')
root.geometry('500x500')

canvas = Canvas(bg = 'white', width = 500 , height = 500)
canvas.pack(anchor = CENTER, expand = 3)

canvas.create_polygon(coords[0] *n+x,coords[1] *n+x,coords[2] *n+x,
                      coords[3] *n+x,coords[4] *n+x,coords[5] *n+x,
                      coords[6] *n+x,coords[7] *n+x,coords[8] *n+x,
                      coords[9] *n+x,coords[10] *n+x, coords[11] *n+x,
                      coords[12] *n+x, coords[13] *n+x,coords[14] *n+x,
                      coords[15] *n+x
                      )
root.mainloop()
